212021110022001 has 32 divisors (see below), whose sum is σ = 333508444889088. Its totient is φ = 117244330917120.

The previous prime is 212021110021997. The next prime is 212021110022069. The reversal of 212021110022001 is 100220011120212.

It is not a de Polignac number, because 212021110022001 - 2² = 212021110021997 is a prime.

It is a super-3 number, since 3×212021110022001³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (212021110022201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29248026 + ... + 35769948.

It is an arithmetic number, because the mean of its divisors is an integer number (10422138902784).

Almost surely, 2^{212021110022001} is an apocalyptic number.

212021110022001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

212021110022001 is a deficient number, since it is larger than the sum of its proper divisors (121487334867087).

212021110022001 is a wasteful number, since it uses less digits than its factorization.

212021110022001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6571901.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212021110022001 its reverse (100220011120212), we get a palindrome (312241121142213).

The spelling of 212021110022001 in words is "two hundred twelve trillion, twenty-one billion, one hundred ten million, twenty-two thousand, one".